Home / 149,870.60-224,805.90-131,438.60

Finding the Fourth Proportional to 149,870.60, 224,805.90 and 131,438.60

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Solution

The fourth proportional to 149,870.60, 224,805.90 and 131,438.60 is: 197,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,870.60 : 224,805.90 = 131,438.60 : x
  2. Step 2: Convert to fraction form
    149,870.60/224,805.90 = 131,438.60/x
  3. Step 3: Cross multiply
    149,870.60x = 224,805.90 × 131,438.60
  4. Step 4: Simplify right side
    149,870.60x = 29,548,172,767.74
  5. Step 5: Solve for x
    x = 29,548,172,767.74/149,870.60
  6. Step 6: Final answer
    x = 197,157.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.